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High performance serial bus data recorder

a data recorder and serial bus technology, applied in the field of firewire (ieee1394) data recorder devices, can solve the problem of limited data rate of firewire protocol

Inactive Publication Date: 2005-08-25
UNIV OF SOUTH FLORIDA
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Benefits of technology

[0006] Accordingly, it is an object of the present invention to provide a high-speed and compact data recorder. In more detail, the present invention provides a Firewire data recorder, which contains is a small electronic circuit that stores digital data onto a Firewire hard disk drive. It is designed to be broadly applicable to many data storage applications. It takes in 16-bit parallel data and writes it to the hard drive at up to 35 Megabytes per second. Data rate is limited by the Firewire protocol and the target hard drive. The device does not require that a host computer be attached. A programmable logic device is used to rapidly format the data structures and transfer data from the source onto the Firewire bus for storage.

Problems solved by technology

Data rate is limited by the Firewire protocol and the target hard drive.

Method used

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Definitions:

[0009] API Application Programming Interface [0010] CPLD: Complex Programmable Logic Device [0011] FIFO: First In First Out. A memory type where data is stored at one location and retrieved at another. The first data to be stored is the first data to be removed. In this document, FIFO refers to a hardware FIFO memory chip. [0012] FireWire: the brand name owned by Apple Computer for the IEEE-1394 Serial Bus. Also known as IEEE-1394, 1394, or Serial Bus. [0013] FPGA: Field Programmable Gate Array [0014] Hard Disk: the actual magnetic platters that store data inside the hard drive. [0015] Hard Drive: a standard hard disk drive, commonly used in personal computers, also called HD or HDD. In this document, hard drive usually refers to the 1394-to-IDE bridge. [0016] Link Layer Chip in the current Implementation, a TSB12LV32 integrated circuit from Texas Instruments. [0017] M-CORE: is a Motorola microcontroller, also called an MCU [0018] MCU: MicroController Unit, also called ...

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Abstract

A Firewire data recorder device in which contains a small electronic circuit that stores digital data onto a Firewire hard disk drive. The recorder is designed to be broadly applicable to many data storage applications, and takes in 16-bit parallel data and writes it to the hard drive at up to 35 Megabytes per second. Data rate is limited by the Firewire protocol and the target hard drive. The recorder device does not require that a host computer be attached. A programmable logic device is used to rapidly format the data structures and transfer data from the source onto the Firewire bus for storage.

Description

[0001] This application claims priority to U.S. provisional application Ser. No. 60 / 481,993, filed on Feb. 2, 2004.BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The present invention relates to a Firewire (IEEE-1394) data recorder device that allows virtually any digital data to be stored directly onto a Firewire hard drive. This is accomplished without a host computer and therefore is smaller, faster, uses less power, and is not prone to operating system failure. Primary application is for mobile data collection such as scientific equipment, video cameras, or audio recording. [0004] 2. Description of the Background [0005] Firewire, also known as IEEE-1394, is a high-speed serial bus. Through its four-wire connection, Firewire can transmit 400 Megabits per second. When data is written to a 1394 hard drive, a protocol called SBP-2 (Serial Bus Protocol, version 2) is used. SBP-2 is counter-intuitive in that data is not written by the host to the hard drive, but i...

Claims

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Application Information

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IPC IPC(8): G06F13/38
CPCG06F3/0608G06F3/0613G06F3/0625Y02B60/1246G06F3/0679G11B27/034G11B27/105G06F3/0626Y02D10/00
Inventor FLANERY, WILLIAM E.
Owner UNIV OF SOUTH FLORIDA
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